Test your understanding from Week 11 Lectures: Explain what a blackbody is. What are the differences in the predictions of the energy density from the quantum mechanical perspective versus classical perspective?

Q: 2 m 2 m 4 m 3 m F= 630 N 4 m B

A: Solution:-Given thatF=630 N

Q: One point charge of +q is placed in the center of the cube and another point charge is placed…

A: Introduction: The Gauss law states that the total electric flux through any closed surface is equal…

Q: 2. we S 50° 18m ->E

A: Given, The magnitude of the vector, 18 m direction, 50°  S of E

Q: -3i-2j and B= -2i+5j. Find the direction of the vec C=A+B.

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Q: got 0 as my answer can you show me the solutio

A: Magnetic field is perpendicular to the area vector of coil. So even change in magnetic field does…

Q: Calculate the resultant force. Express the answer in terms of unit vector. F = 2.0 N, 20° N of W F,…

A: Let us write down the forces in vector form as- F1→=2.0 N-cos20oi^+sin20oj^F2→=10.5 N-j^F3→=18…

Q: 2. For vectors ū and ī shown, draw the indicated linear combination. a) Draw ū + v b) Draw ū – 20 13…

A: given ,

Q: + G X E Y=L+G Q = X + E J Z U

A: Vectors have both magnitude (size) and direction. Consider toward right as positive and toward left…

Q: Compute for the x-component of 60.9430-unit vector directed 79.2526 degrees with respect to the…

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Q: 33

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Q: 65. Find the angles that vector D = (2.01 – 4.0j +k)m makes with the x-, y-, and z- axes.

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Q: 3. Two vectors are equal if they have the... a. Different magnitude and direction. O b. Same…

A: Given  3. Two vector are equal if they have the ______  4. The sign of the components in vector will…

Q: 15. A certain vector in the xy plane has an x component of 4 m and a y component of 10 m. It is then…

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Q: 4. Write each combination of vectors as a single vector. See figure below. (a) PQ+QR (b) RP+ PS (c)…

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Q: Consider the following motion: The cart's initial position is the bottom of the track. You give it a…

A: Given:The ramp is inclined at an angle, θinitial position is at the bottom of the tracklet the…

Q: Number 5 please

A: Note: As per Bartleby guidelines we can only solve first three subparts of a question. Kindly post…

Q: Six vectors are shown below. ン Select all vectors which have the same magnitude.

A: The quantities which has both magnitude and direction are called vectors. A vector has a head and a…

Q: Answer: T0.005@ A PERPENDICULARITY 8. Answer:

A: Perpendicularity within a 0.005 tolerance zone at MMC relative to datum A

Q: Which among the following equations is INCORRECT? PE E = EA cost dE = EA B. E ФЕ A

A: Here, we will check each option one by one to find out the incorrect one. Option(a): This…

Q: Question 1 This is the situation of the leftmost image. (The particles move vertically, up and…

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Q: The square loop of wire in magnetic field B (B = (Be/a)(zi + xk)} is in the x-y plane and its center…

A: Given, Magnetic field, width of square loop is, L=l current flowing through the wire is, i = I Now…

Q: 9) Determine the unit vector of r. 30 40°

A: Given data, Angle of the vector r from Z-axis = 30o Angle of vector r from X-axis = 40o

Q: d= 2

A: Distance is the actual length of path  Displacement is shortest length

Q: 2. Express the force as a Cartesian vector in terms of unit vectors ‘i’ ‘j’ and ‘k’. Round to three…

A: The force acting on the system is given as, F=500 N. TO DETERMINE: The given force in cartesian…

Q: Question 2.7

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Q: F. cos 0 ·d =

A: Step 1 The work done on a body can be defined as the scalar product of the force applied on the body…

Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

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Q: Q1. Express each force using cartesian: A=( )+ ( )j ++( )k B=( )i + ( )j + ( )k C = ( )i + ( )j + (…

A: Introduction: The direction of the arrow shows the direction of the vector and the length of the…

Q: i.j= Ok D-к 00 1 0 Do

A: Scalar product or dot product of two vectors is defined as,  A.B = ABcosθ Where bold letters…

Q: Find the magnitude and direction angle of the given vector. A. u=(3, 8) B. u=(4, 7) C. u=(5, - 1)

A: Given:- given vector. A. u=(3, 8) B. u=(4, 7) C. u=(5, - 1) Find:- The magnitude and direction angle…

Q: Step 2. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of…

A: For which type of the electromagnetic radiation is the atmosphere of the Earth totally opaque.

Q: X 3. Calculate the coordinate direction angles of vector Q. Z 72° 36° Q = 300 lb y

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Q: Prove that mut %3D ==o /2

A: To prove :- 1) P2o=12mωℏ 2) Po=<0|P|0>=0

Q: up or down

A: Given data :   Applied force, F = 100000 N Weight, W = 50000 N

Q: The loop rule applied to loop abda will give a. 12-18.0 I+ 6.00 I=0 b. 12-18.0 I1-6.00 I2 0 c. 6.0 +…

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